optimize split IPAndPort

common/src/main/java/com/alibaba/otter/canal/common/utils/AddressUtils.java

@@ -7,6 +7,7 @@ import java.net.ServerSocket;
 import java.util.Enumeration;
 import java.util.regex.Pattern;
 
+import org.apache.commons.lang.ArrayUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -75,4 +76,27 @@ public class AddressUtils {
         logger.error("Could not get local host ip address, will use 127.0.0.1 instead.");
         return localAddress;
     }
+
+    /**
+     * 拆分IP地址和端口号
+     *
+     * @param text ip地址和端口号，ip和端口号以英文冒号(:)分隔;
+     * 
+     *     <pre>
+     *             ipv4 127.0.0.1:3306
+     *             ipv6 [::1]:3306
+     *     </pre>
+     *
+     * @return
+     */
+    public static String[] splitIPAndPort(String text) {
+        text = text.replace("[", "").replace("]", "");
+        int idx = text.lastIndexOf(':');
+        if (idx > 0) {
+            String ip = text.substring(0, idx);
+            String port = text.substring(idx + 1);
+            return new String[] { ip, port };
+        }
+        return ArrayUtils.EMPTY_STRING_ARRAY;
+    }
 }